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Background Tall buildings and wind turbines cause radar interference with radar assessments predicting their likely impact and showing whether they can be built. Radars transmit and receive radio signals which are processed electronically to show returns on the radar display. Radar Interference Buildings and wind turbines can block or reflect…

Overview A solar development located on the western side of Pendleton, Oregon in the USA, has encountered reports of solar panel glare during its construction from motorists driving on the nearby Interstate 84. The solar development The solar panels will cover a total of 58 acres and have a generative…

Wind turbines and airports co-exist throughout the world despite the fact that wind turbines can present an obstruction risk to low flying aircraft as well as potentially affect radar systems. This article presents photographs of wind turbines located near airports and airbases throughout the world. Wind Turbines near Travis AFB…

Overview Wind farms are where Pager Power began and we have worked on a large number of them over the years all over the world. It is always interesting to discover record setters, planning successes and impressively designed wind developments which set them apart from the others. The following article…

Background Solar Convergence occurs when multiple reflective glass panels simultaneously reflect the sun to one point with an intensity greater than that of direct sunlight. In July 2017 the City of London issued a Solar Convergence Planning Advice Note (PAN) following over-heating problems caused by the concave façade of 20…

Background Wind turbines are fitted with aeronautical lights so they can be seen by pilots. Unfortunately these lights can have an adverse visual impact – particularly in rural areas. This article explores how impacts can be minimised whilst ensuring turbines can be seen by pilots. Lighting requirements Lighting requirements vary…

Yes they do. Strong (Photovoltaic) PV glare may be caused by reflections from a low sun. Whilst panels are designed to efficiently absorb direct and diffuse light they are often highly reflective at low angles. The claim that PV glare cannot occur because solar panels are designed to absorb light…

Overview Building developments and wind turbines in the vicinity of NATS’ radar infrastructure can receive an objection where a technical and operational impact is expected. Whilst UK wind development has slowed in recent years, the development of large buildings continues, and these can also impact upon NATS’ aviation infrastructure. This…